RxSwift: DisposeBag

• Used to avoid memory leaks as the subscription will not be disposed of correctly without.
• DisposeBag holds disposables.
• DisposeBag allows us not to have to dispose of each subscription individually.
• Used with .addDisposableTo() operator which will call dispose() on each when the dispose bag is about to be deallocated.

let disposeBag = DisposeBag()

Observable.of("Chris Sutton", "Henrik Larsson", "Bobo Balde")
	.subscribe {
		print($0)
	}
	.addDisposableTo(disposeBag)

• Can manually cause an observable to terminate by cancelling the subscription to it (Not recommended - should use disposeBag above).

subscription.dispose()

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